/*
 * ---------------------------
 * File made by AZRIA Nouriel.
 * Do not duplicate this file.
 * ---------------------------
 */

package Servlets;

import BDD.gestionnaires.GestionnaireAlbum;
import BDD.modeles.Album;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet permettant de traiter la demande de l'enseble des albums publics
 * @author Nouriel AZRIA
 * @version 1.0.0
 */
@WebServlet(name = "ServletAlbumsPublics", urlPatterns = {"/listerAlbumsPublics"})
public class ServletAlbumsPublics extends HttpServlet {

    @EJB
    private GestionnaireAlbum gestionnaireAlbum;
    
    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        String action = request.getParameter("action");
        String forwardTo = "";
        String message = "";

        if(action != null){
            
            // Verifier si action valide
            boolean actionValide = false;
            
            // --- Traiter la demande d'envoie des albums publics
            if (action.equals("listerLesAlbumsPublics")) { 
                
                // Indiquer que l'action est valide
                actionValide = true;
                
                // Recuperer la liste des albums
                Collection<Album> colAlbs = gestionnaireAlbum.recupererAlbumsPublics();
                
                // Ajouter la liste des albums en retour
                request.setAttribute("albumList", colAlbs);
                
                // Rediriger vers la page des albums publics
                forwardTo = "listAlbumsPublics.jsp?action=reussite";
                message = "";
                
            }
            
            // Traiter le cas si l'action n'est pas valide
            if(!actionValide){
                forwardTo = "listAlbumsPublics.jsp?action=echec"; 
                message = "La fonctionnalité pour le paramètre " + action + " est à implémenter !"; 
            }
            
        }
        
        // Aller à la page suivante
        RequestDispatcher dp = request.getRequestDispatcher(forwardTo + "&message=" + message);  
        dp.forward(request, response); 
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
